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. <br /> Page 6E-7 <br /> ` CabfomiuK4OTCD <br /> ' (FHWA`o&1DTCD2O03 Revision |`aaamended for uueioCalifornia) <br /> Toh|o8E-1U1(C4). Longitudinal Buffer Space on Downgrades* <br /> % Downgrade (Buffer Space) <br /> 35 35 <br /> 30 35 <br /> 40 50 50 53 <br /> 50 66 70 74 <br /> 60 87 92 97 <br /> 70 12 4 <br /> 80 136 144 154 <br /> 90 164 174 187 <br /> 100 194 207 223 <br /> 110 227 243 262 <br /> Speed % Downgrade (Buffer Space) <br /> 20 116 120 126 <br /> 25 158 165 173 <br /> 30 205 215 227 <br /> 35 257 271 287 <br /> 40 315 333 354 <br /> 45 378 400 <br /> 50 446 474 5 07 <br /> 55 520 553 593 <br /> 60 598 638 686 <br /> 65 682 728 785 <br /> 70 771 825 891 <br /> ^ Exhibit 3-2 A Policy on Geometric Design of Highways and Streets, AASHTO. 2001 p.115 N <br /> Chapter 6E—Bugg*,Cvntml Sqtcrnbo26.2000 <br />